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78 stars written in C++
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Open Source Computer Vision Library

C++ 86,029 56,518 Updated Jan 30, 2026

Tesseract Open Source OCR Engine (main repository)

C++ 72,231 10,481 Updated Jan 8, 2026

Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

C++ 33,799 7,712 Updated Oct 11, 2025

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

C++ 20,170 3,188 Updated Jan 19, 2026

ESP8266 core for Arduino

C++ 16,560 13,241 Updated Dec 15, 2025

FUSE-based file system backed by Amazon S3

C++ 9,674 1,075 Updated Feb 1, 2026

The 2013 edition of the Source SDK

C++ 9,563 2,840 Updated Jan 19, 2026

📟 JSON library for Arduino and embedded C++. Simple and efficient.

C++ 7,112 1,157 Updated Dec 2, 2025

ESP8266 WiFi Connection manager with web captive portal

C++ 7,090 2,077 Updated Nov 29, 2025

OpenVR SDK

C++ 6,512 1,303 Updated Aug 19, 2025

An audio server, programming language, and IDE for sound synthesis and algorithmic composition.

C++ 6,380 814 Updated Feb 2, 2026

Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys.

C++ 5,051 1,212 Updated Sep 3, 2023

The DirectX Tool Kit (aka DirectXTK) is a collection of helper classes for writing DirectX 11.x code in C++

C++ 2,779 530 Updated Feb 3, 2026

Embree ray tracing kernels repository.

C++ 2,640 420 Updated Feb 3, 2026

DirectXTex texture processing library

C++ 2,073 472 Updated Feb 3, 2026

arduinoWebSockets

C++ 2,029 583 Updated Jan 31, 2026

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

C++ 1,554 347 Updated Feb 3, 2026

Open-source compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

C++ 1,503 161 Updated Sep 30, 2018

This repo contains Direct3D 11, XInput, and XAudio2 samples C++ samples from the legacy DirectX SDK updated to build using the Windows 10 SDK

C++ 1,447 384 Updated May 22, 2025

Cross-platform Qt web browser

C++ 1,133 347 Updated Apr 29, 2018

NanoRT, single header only modern ray tracing kernel.

C++ 1,117 94 Updated Oct 1, 2025

Nixnote - A clone of Evernote for Linux

C++ 1,113 158 Updated Jul 18, 2024

Codegen for Echoprint

C++ 963 290 Updated Mar 28, 2022

Source code of KeeperRL

C++ 954 121 Updated Oct 27, 2025

UVAtlas isochart texture atlas

C++ 914 157 Updated Feb 3, 2026

DirectXMesh geometry processing library

C++ 840 159 Updated Feb 3, 2026

A real time 3D engine.

C++ 756 151 Updated Mar 22, 2023

Effects for Direct3D 11 (FX11) is a management runtime for authoring HLSL shaders, render state, and runtime variables together.

C++ 471 140 Updated Nov 3, 2025

DXUT is a "GLUT"-like framework for Direct3D 11.x Win32 desktop applications; primarily samples, demos, and prototypes.

C++ 458 118 Updated Nov 3, 2025
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